190-00728-04 Rev. A
Embraer Prodigy
®
Flight Deck 100 Pilot’s Guide
150
AUDIO PANEL AND CNS
4.4 MODE S TRANSPONDER
The Mode S Transponders provide Mode A, Mode C, and Mode S interrogation and reply capabilities. Diversity
incorporates antennas mounted on the top and bottom of the aircraft for dependable operation while maneuvering.
Selective addressing or Mode Select (Mode S) capability includes the following features:
•Level-2replydatalinkcapability(usedtoexchangeinformationbetweenaircraftandATCfacilities)
•Surveillanceidentiercapability
•FlightID(FlightIdentication)reporting–TheModeSTransponderreportsaircraftidenticationaseitherthe
aircraftregistrationorauniqueFlightID.
•Altitudereporting
•Airbornestatusdetermination
•Transpondercapabilityreporting
•ModeSEnhancedSurveillance(EHS)requirements
•Acquisitionsquitter–Acquisitionsquitter,orshortsquitter,isthetransponder24-bitidenticationaddress.
The transmission is sent periodically, regardless of the presence of interrogations. The purpose of acquisition
squitteristoenableModeSgroundstationsandaircraftequippedwithatrafcavoidancesystemtorecognize
thepresenceofModeS-equippedaircraftforselectiveinterrogation.
TheHazardAvoidanceSectionprovidesmoredetailsontrafcavoidancesystems.